Duvall, F. P. (1983). The Structure and ontogeny of corvine social play of the rook (Corvus frugilegus, L.) and the hooded crow (Corvus corone cornix, L.). Freie Univ., Fachbereich Biologie.
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Chicago Style (17th ed.) Citation
Duvall, Fern Park. The Structure and Ontogeny of Corvine Social Play of the Rook (Corvus Frugilegus, L.) and the Hooded Crow (Corvus Corone Cornix, L.). Berlin: Freie Univ., Fachbereich Biologie, 1983.
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MLA引文
Duvall, Fern Park. The Structure and Ontogeny of Corvine Social Play of the Rook (Corvus Frugilegus, L.) and the Hooded Crow (Corvus Corone Cornix, L.). Freie Univ., Fachbereich Biologie, 1983.
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警告：這些引文格式不一定是100％准確.